English dictionary

bulb

/b/@/lb/

Definitions, examples, synonyms and antonyms from WordNet 3.0.

noun

a modified bud consisting of a thickened globular underground stem serving as a reproductive structure

noun.plant

Source: WordNet 3.0
electric lamp consisting of a transparent or translucent glass housing containing a wire filament (usually tungsten) that emits light when heated by electricity

noun.artifact

Synonyms electric light electric-light bulb incandescent lamp light bulb lightbulb

Source: WordNet 3.0
a rounded part of a cylindrical instrument (usually at one end)

noun.artifact

Examples
The bulb of a syringe.

Source: WordNet 3.0
anything with a round shape resembling a teardrop

noun.shape

Source: WordNet 3.0
lower or hindmost part of the brain; continuous with spinal cord; (`bulb' is an old term for medulla oblongata)

noun.body

Synonyms medulla medulla oblongata

Source: WordNet 3.0
a rounded dilation or expansion in a canal or vessel or organ

noun.body

Source: WordNet 3.0
A spheroidal body growing from a plant either above or below the ground (usually below), which is strictly a <i>bud</i>, consisting of a cluster of partially developed leaves, and producing, as it grows, a stem above, and roots below, as in the onion, tulip, etc. It differs from a <i>corm</i> in not being solid.

noun

Source: webster1913